IDE Harddisk Spindown

Some time ago (like 2 years or so) i SOMEHOW set two of my IDE Harddisks to spin down ('sleep') after some minutes. Since this is kinda anyoing i now want to disbale this function. I didn't set it via the bios setup. I used some commands in MS Dos. At the moment I dont have a clue how i did it. I think i changed some settings directly on the hds i think.

You did it by changing the BIOS data area (it is possible to do it with a program).
You can undo it by disabling power-management functions in the BIOS (or just the disk spindown in the power management menu).

alexo, this is NOT sounds fishy. Many HDDs has some kind of firmware
written on special cylinder, not accessible by formatter (except
low-level ;), so this "smart" program can tweak firmware code to
make HDD spin down time lower than was coded. Look at URL that I
provided.

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>> The firmware resides on an EPROM, not on the magnetic media
Not necessary. Much cheaper to dedicate cylinder on HD and not
put EPROM chips at all. I can't right now point you on sources, but
as far as I remember, this method was introduced by Western
Digital. Thus manufacturer can easily "flash" new firmware.

of course i tried to change the bios setup and stuff... But NOTHING worked. I could install a small TSR (hehehe.. when was the last time i used this term? TSR? :) which keeps the disks alive...
I guess i will replace the drives with a larger SCSI i think

goto my comp / control pan / power and TURN OFF ALL power MGMT !
(ie: hdd spindown after xxx min) Windows will clip ALL HDD power if any
hdd is idle (silly thing) I use to have this problem too....no more

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